Structure of PDB 4rcy Chain A

Receptor sequence
>4rcyA (length=414) Species: 273057 (Saccharolobus solfataricus P2) [Search protein sequence]
AWPKVQPEVNIGVVGHVAHGKTTLVQAITGIWTSKHSEELKRGMTIKLGY
AETNIGVCESCKKPEAYVTEPSCKSCGSDDEPKFLRRISFIDAPGHEVLM
ATMLSGAALMDGAILVVAANEPFPQPQTREHFVALGIIGVKNLIIVQNKV
DVVSKEEALSQYRQIKQFTKGTWAENVPIIPVSALHKINIDSLIEGIEEY
IKTPYRDLSQKPVMLVIRSFDVNKPGTQFNELKGGVIGGSIIQGLFKVDQ
EIKVLPGLRVEKQGKVSYEPIFTKISSIRFGDEEFKEAKPGGLVAIGTYL
DPSLTKADNLLGSIITLADAEVPVLWNIRIKYNLLERVVGAKEMLKVDPI
RAKETLMLSVGSSTTLGIVTSVKKDEIEVELRRPVAVWSNNIRTVISRQI
AGRWRMIGWGLVEI
3D structure
PDB4rcy Identification of a second GTP-bound magnesium ion in archaeal initiation factor 2.
ChainA
Resolution1.65 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) A19 K22 T23 T46 H97
Catalytic site (residue number reindexed from 1) A18 K21 T22 T45 H96
Enzyme Commision number 3.6.5.3: protein-synthesizing GTPase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 GTP A V18 A19 G21 K22 T23 T24 M45 T46 G96 N149 K150 D152 S184 L186 V17 A18 G20 K21 T22 T23 M44 T45 G95 N148 K149 D151 S183 L185
BS02 MG A T23 T46 T22 T45
BS03 GDP A F221 V223 K225 K234 S278 R280 A296 G298 F220 V222 K224 K233 S277 R279 A295 G297
Gene Ontology
Molecular Function
GO:0000049 tRNA binding
GO:0003743 translation initiation factor activity
GO:0003746 translation elongation factor activity
GO:0003924 GTPase activity
GO:0005515 protein binding
GO:0005525 GTP binding
GO:0016787 hydrolase activity
GO:0046872 metal ion binding
Biological Process
GO:0001731 formation of translation preinitiation complex
GO:0006412 translation
GO:0006413 translational initiation
GO:0006414 translational elongation

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Molecular Function
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Biological Process
External links
PDB RCSB:4rcy, PDBe:4rcy, PDBj:4rcy
PDBsum4rcy
PubMed25690901
UniProtQ980A5|IF2G_SACS2 Translation initiation factor 2 subunit gamma (Gene Name=eif2g)

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